Home / 160,308.79-221,213.90-88,687.26

Finding the Fourth Proportional to 160,308.79, 221,213.90 and 88,687.26

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Solution

The fourth proportional to 160,308.79, 221,213.90 and 88,687.26 is: 122,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308.79 : 221,213.90 = 88,687.26 : x
  2. Step 2: Convert to fraction form
    160,308.79/221,213.90 = 88,687.26/x
  3. Step 3: Cross multiply
    160,308.79x = 221,213.90 × 88,687.26
  4. Step 4: Simplify right side
    160,308.79x = 19,618,854,886.63
  5. Step 5: Solve for x
    x = 19,618,854,886.63/160,308.79
  6. Step 6: Final answer
    x = 122,381.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.